@article{DAN_1965_162_5_a9,
     author = {S. L. Sobolev},
     title = {On the order of convergence of cubature formulae},
     journal = {Doklady Akademii Nauk},
     pages = {1005--1008},
     publisher = {mathdoc},
     volume = {162},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_162_5_a9/}
}